Datasheet
Page 19
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Operating Characteristics
(for all models except where noted)
Performance versus measurement speed
For DC voltage, DC current, and resistance
1
(34460A and 34461A)
34460A 34461A
Integration time Digits Readings/s Digits Readings/s Additional noise error
100 PLC/1.67 s (2 s) 6½ 0.6 (0.5) 6½ 0.6 (0.5) 0% of range
10 PLC/167 ms (200 ms) 6½ 6 (5) 6½ 6 (5) 0% of range
1 PLC/16.7 ms (20 ms) 5½ 60 (50) 5½ 60 (50) 0.001% of range
2
0.2 PLC/3 ms (3 ms) 5½ 100 5½ 300 0.001% of range
3
0.02 PLC/300 µs (300 µs) 3½ 300 4½ 1000 0.01% of range
3
AC voltage, AC current
4,
5
Digits ACV ACI AC filter
34460A, 34461A, 34465A, 34470A 6½ 0.4/s 0.6/s Slow
6½ 1.6/s 4/s Medium
6½ 40/s 40/s Fast
6½ 50/s
6
50/s
6
Fast
Frequency, period Aperture Digits Readings
34460A, 34461A, 34465A, 34470A 1 second 7 1
0.1 second 6 10
0.01 second 5 80
Frequency, period Aperture Digits Readings
34465A, 34470A 1 second 8 1
0.1 second 7 10
0.01 second 6 100
0.001 second 5 1000
1. Reading speeds for 60 Hz (and 50 Hz) operation, autozero off, fixed range.
2. Add 5 nA for the 100 µA range, add 0.2 µA for the 10 mA range.
3. Add 20 µV for DCV and 20 mΩ for resistance. Add 0.2 µA for DC current + 10x the above range error for the 10 mA range.
For 0.2 PLC multiply the above range error by 5x on the 1 A and 10 A ranges, and by 10x for the 10 mA range.
4. Maximum reading rates for 0.01% of AC step additional error. Additional settling delay required when input DC level varies.
5. For external trigger or remote operation using default settling delay (Delay Auto).
6. Maximum useful limit with default settling delays defeated.